Mr. Gabriel Ojeda Fritz-Pak Corporation Phone: (214) Eastover Circle Fax: (214)
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1 September 11, 2012 Mr. Gabriel Ojeda Fritz-Pak Corporation Phone: (214) Eastover Circle Fax: (214) Mesquite, TX Subject: Final Report for SLICK-PAK, Compliance Verification Type S Admixture AASHTO M194 Standard Specification for Chemical Admixtures for Concrete Dear Mr. Ojeda: Testing, Engineering and Consulting Services, Inc. (TEC Services) is an AASHTO R18 and International Accreditation Services (IAS) (TL-458) accredited laboratory in compliance with ANS/ISO/IEC 17025:2005 and is an Army Corps of Engineering approved laboratory. TEC Services is pleased to present this report of our compliance verification testing of SLICK-PAK, an ASTM C Type S (Specific Performance) admixture. All sample preparation and testing was performed in accordance with applicable sections of AASHTO M194-06, ASTM C 494 and documents referenced therein. Material and procedures outlined in AASHTO M194 were used. Based on our results, SLICK-PAK complies with the requirements in AASHTO M194 and Table 1 of ASTM C 494. These test results pertain only to the sample tested. The compliance verification was performed in TEC Service s laboratory in Lawrenceville, Georgia. Concrete batching was carried out on three different days in September, One control mixture and one test mixture containing SLICK-PAK, both meeting the requirements of AASHTO M194 and ASTM C 494 for fresh concrete properties, were produced each day. A 1- gallon sample of SLICK-PAK was manufactured and supplied to TEC Service by FRITZ-PAK Corporation. The air-entraining agent used in this testing was a commercially available vinsol resin admixture, meeting the requirements of AASHTO M Testing of the concrete s plastic properties, time of setting, compressive strengths, flexural strengths, length change, and freeze thaw resistance were performed by TEC Services. Determination of the admixture s specific gravity, solids content, and ph were performed by TEC Services. Determination of the admixture s chloride content was performed by Wyoming Analytical Laboratories and the IR analysis was performed by Applied Technical Services. Mixture proportions and results of our testing are given in Tables 1 to 3. Information and test data on fine and coarse aggregates are listed in Tables 4 to 6. Table 7 contains information supplied by the producers of the SLICK-PAK. Product information and test data on the Type I cement is included in Table 8. Test results for each of the six batches prepared for this report are included in Tables 9 through 12.
2 Table 1: Admixture performance and AASHTO M194 requirements for a Type S admixture SLICK-PAK Specification Requirements Water content (percent of control) 97 NA Time of setting, deviation of control Initial (hr:min) -0:08-1:00 to +1:30 Final (hr:min) -0:11-1:00 to +1:30 Compressive strength (percent of control) 3 days (min) 7 days (min) 28 days (min) 56 days (min) 90 days 103 NA 6 months (min) 1 year (min) Flexural strength (percent of control) 3 days (min) 7 days (min) 28 days (min) 56 days (min) Length change (increase over control) (max) Relative durability factor (min) Table 2: Mixture proportions, fresh concrete properties, and AASHTO M194 requirements for a Type S admixture Average of Three Separate Tests Control Mixture SLICK-PAK Specification Requirements Cement factor (lb/yd 3 ) ± 5 Water (lb/yd 3 ) Water-cement ratio Coarse aggregate Fine aggregate Fine aggregate-total aggregate ratio Slick-Pak (g/cwt) Vinsol Resin (oz/cwt) Slump (in.) ½ ± ½ Air content (%) (± 0.5 of control) Density (lb/ft 3 ) Time of setting Initial (hr:min) 3:53 3:45 dev. of control (hr:min) -0:08-1:00 to +1:30 Final (hr:min) 5:24 5:13 dev. of control (hr:min) -0:11-1:00 to +1:30 Page 2 of 8
3 Table 3: Properties of hardened concrete Control Mixture SLICK-PAK Compressive strength (psi) 3 days days days days days months year Flexural strength (psi) 3 days days days days Length change (%) Durability factor (%) Table 4: Properties of fine and coarse aggregates Fine aggregate Coarse aggregate Manufacturer Martin Marietta, Shorter Vulcan, Lithonia Aggregate type Natural sand Crushed Granite Specific gravity SSD Absorption (%) Table 5: Gradation of fine aggregate and ASTM C494 requirements Percent passing Sieve Fine aggregate Specifications Requirements No. 4 (4.75 mm) No. 16 (2.36 mm) to 75 No. 50 (300 µm) to 20 No. 100 (150 µm) 2 2 to 5 Table 6: Gradation of coarse aggregate and ASTM C494 requirements Percent passing Sieve Coarse aggregate Specifications Requirements 1.5 in. (37.5 mm) in. (25.4 mm) to in. (12.5 mm) to 60 No. 4 (4.75 mm) 2 0 to 10 No. 8 (2.36 mm) 1 0 to 5 Page 3 of 8
4 Table 7: Admixture information as supplied by the manufacturers Type S, Specific Performance Admixture Brand name SLICK-PAK Manufacturer FRITZ-PAK Corporation Lot ID SlickPak Sample Size 5 lbs Oven Dried Residue (%) ph (1% material in distilled water) Chloride Content (%) *Chloride content analysis performed by Wyoming Analytical Laboratories, Inc. **IR Scan performed by Applied Technical Services is attached to this report Table 8: Cement information and test data Brand name Manufacturer ASTM C 150 Type I/II cement Portland Type I/II Lafarge Cement Chemical analyses by mass (%) Silicon dioxide (SiO 2 ) 19.4 Titanium dioxide (TiO 2 ) 0.27 Aluminum oxide (Al 2 O 3 ) 4.9 Phosphorus pentoxide (P 2 O 5 ) 0.05 Iron oxide (Fe 2 O 3 ) 3.2 Manganic oxide (Mn 2 O 3 ) 0.07 Calcium oxide (CaO) 62.0 Strontium oxide (SrO) 0.03 Magnesium oxide (MgO) 3.8 Barium oxide (BaO) 0.04 Sodium oxide (Na 2 O) 0.12 Loss on ignition (950ºC) 2.56 Potassium oxide (K 2 O) 0.47 Insoluble residue 0.10 Sulfur trioxide (SO 3 ) 3.07 Alkalies as Na 2 O 0.43 Calculated potential compounds as per ASTM C (%) Tricalcium silicate (C 3 S) 59 Tricalcium aluminate (C 3 A) 7 Dicalcium silicate (C 2 S) 11 Tetracalcium aluminoferrite (C 4 AF) 10 Physical Testing and Results Fineness Specific Surface (Blaine) 398 m 2 /Kg Air Content (%) 8.0 Setting Times (Vicat) Initial Final 110 minutes 135 minutes Autoclave Expansion (%) 0.07 Compressive 3 Day Strength (psi) 3580 Compressive 7 Day Strength (psi) 4270 Page 4 of 8
5 Table 9: Mixture proportions, fresh concrete properties, and time of set for three control batches Control 1 Control 2 Control 3 Average Cement factor (lb/yd 3 ) Water (lb/yd 3 ) Water-cement ratio Coarse aggregate (lb/yd 3 ) Fine aggregate (lb/yd 3 ) Fine aggregate-total aggregate ratio SLICK-PAK (g/cwt) Vinsol Resin (oz/cwt) Slump (in.) Air content (%) Density (lb/ft 3 ) Time of setting Initial (hr:min) 3:51 3:52 3:56 3:53 Final (hr:min) 5:24 5:19 5:29 5:24 Table 10: Properties of hardened concrete from three control test batches Control 1 Control 2 Control 3 Average Compressive strength (psi) 3 days days days days days months year Flexural strength (psi) 3 days days days days Length change (%) Durability Factor (%) Approximate Total Cycles Completed Fundamental Transverse Frequency, khz Relative Dynamic Modulus, percent Control 1 Control 2 Control 3 Control 1 Control 2 Control 3 Average 0 cycles NA NA NA NA 35 cycles cycles cycles cycles cycles cycles cycles cycles Page 5 of 8
6 Table 11: Mixture proportions, fresh concrete properties, and time of set for three test batches containing SLICK-PAK Test 1 Test 2 Test 3 Average Cement factor (lb/yd 3 ) Water (lb/yd 3 ) Water-cement ratio Coarse aggregate (lb/yd 3 ) Fine aggregate (lb/yd 3 ) Fine aggregate-total aggregate ratio SLICK-PAK (g/cwt) Vinsol Resin (oz/cwt) Slump (in.) Air content (%) Density (lb/ft 3 ) Time of setting Initial (hr:min) 3:38 3:54 3:43 3:45 Final (hr:min) 5:02 5:15 5:22 5:13 Table 12: Properties of hardened concrete from three batches containing SLICK-PAK Test 1 Test 2 Test 3 Average Compressive strength (psi) 3 days days days days days months year Flexural strength (psi) 3 days days days days Length change (%) Durability Factor (%) Approximate Total Cycles Completed Fundamental Transverse Frequency, khz Relative Dynamic Modulus, percent Test 1 Test 2 Test 3 Test 1 Test 2 Test 3 Page 6 of 8 Average 0 cycles NA NA NA NA 35 cycles cycles cycles cycles cycles cycles cycles cycles
7 We appreciate the opportunity to provide our services to you on this project. Should you have any questions or comments regarding this report, please feel free to contact us at your convenience. Sincerely, Testing, Engineering & Consulting Services, Inc. Anne Miller Project Manager Shawn P. McCormick Laboratory Principal Attachment: IR Scan of Slick-Pak Page 7 of 8
8 The IR Scan was performed by Applied Technical Services, Inc. on September 28, The sample was dried at 105 C for 17 hours per ASTM C The dried sample was then analyzed using a diamond anvil cell. Page 8 of 8
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